Sufferers of the neurological disorder known as multiple system atrophy, or MSA, will get a big boost from some well-known rockers later this month, when some of music's biggest names come together for an all-star benefit concert.

It's usually pretty bad form to throw a big party for oneself, but when you're Howard Stern and your 60th birthday bash draws a crowd of famous faces that includes classic rockers like Slash, John Fogerty and Aerosmith's Steven Tyler, you get a pass.

Kings of Chaos -- a new supergroup comprised of Slash, Duff McKagan, Matt Sorum, Glenn Hughes, Corey Taylor and Steve Stevens -- played its first-ever concert on U.S. soil on Nov. 18 at the Avalon Hollywood in Los Angeles.

While Slash and Axl Rose have had a very tumultuous relationship (if you can even call not talking to each other a 'relationship') in the years since Slash parted ways with Guns N’ Roses, the guitarist won't rule out the idea of a reunion at some point.

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